# Copyright (C) 2020-2022 F4PGA Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0

TOP_DIR := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
REQUIREMENTS_FILE := requirements.txt
ENVIRONMENT_FILE := environment.yml

include ../third_party/make-env/conda.mk

# NOTE: make env to create a conda environment with the needed packages

SPHINXOPTS    =
SPHINXBUILD   = sphinx-build
PAPER         =
BUILDDIR      = _build

PAPEROPT_a4     = -D latex_paper_size=a4
PAPEROPT_letter = -D latex_paper_size=letter
ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .

clean::
	-rm -rf $(BUILDDIR)/

latex:
	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
	sed -i 's/PDFLATEX = pdflatex/PDFLATEX = texfot pdflatex/' $(BUILDDIR)/latex/Makefile
	@echo
	@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
	@echo "Run \`make' in that directory to run these through (pdf)latex" \
	      "(use \`make latexpdf' here to do that automatically)."

latexpdf:
	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
	sed -i 's/PDFLATEX = pdflatex/PDFLATEX = texfot pdflatex/' $(BUILDDIR)/latex/Makefile
	@echo "Running LaTeX files through pdflatex..."
	make -C $(BUILDDIR)/latex all-pdf
	@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."

%:
	$(SPHINXBUILD) -b $@ $(ALLSPHINXOPTS) $(BUILDDIR)/$@
